EAGLE source
Microcontroller boards
Femto Usb
by femtoduino
FemtoUSB - ATMEL ARM Cortex M0+ (SAMD21), 256KB @ 48MHz, 3V3
60 13MIT
337 published boards whose schematic and layout source is public — KiCad, EAGLE, Altium and EasyEDA projects you can read, fork and build on. Every entry links to the original repository and names its licence.
Every project listed here belongs to its author and is linked to its original repository. Licences are read from the repository metadata and summarised for convenience — check the licence file in the project itself before you manufacture or redistribute a design. ProtoFlow does not host, mirror or verify these files. Index last rebuilt 2026-09-21.